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Table 4 Gain and efficiency performances of circular antenna at bending radius of R = 20 mm

From: Design optimization for microstrip antennas based on polymethyl methacrylate (PMMA) substrate and carbon nanotube (CNT) conductive material in sub-6 Ghz band

Parameter

Flat antenna

E plane bending

H plane bending

Gain (dBi)

6.42

5.51

5.73

Efficiency

0.74

0.6

0.81